mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 01:21:06 +00:00
92d83c725e
2003-05-08 Ulrich Drepper <drepper@redhat.com> * malloc/thread-m.h: Remove special handling of thread_atfork if HAVE_register_atfork_malloc is defined.
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <unistd.h>
|
|
#include <list.h>
|
|
#include "fork.h"
|
|
#include <dl-sysdep.h>
|
|
#include <tls.h>
|
|
#include <string.h>
|
|
#include <pthreadP.h>
|
|
#include <bits/libc-lock.h>
|
|
|
|
|
|
#ifdef TLS_MULTIPLE_THREADS_IN_TCB
|
|
void
|
|
#else
|
|
extern int __libc_multiple_threads attribute_hidden;
|
|
|
|
int *
|
|
#endif
|
|
__libc_pthread_init (ptr, reclaim, functions)
|
|
unsigned long int *ptr;
|
|
void (*reclaim) (void);
|
|
const struct pthread_functions *functions;
|
|
{
|
|
/* Remember the pointer to the generation counter in libpthread. */
|
|
__fork_generation_pointer = ptr;
|
|
|
|
/* Called by a child after fork. */
|
|
__register_atfork (NULL, NULL, reclaim, NULL);
|
|
|
|
#ifdef SHARED
|
|
/* We copy the content of the variable pointed to by the FUNCTIONS
|
|
parameter to one in libc.so since this means access to the array
|
|
can be done with one memory access instead of two. */
|
|
memcpy (&__libc_pthread_functions, functions,
|
|
sizeof (__libc_pthread_functions));
|
|
#endif
|
|
|
|
#ifndef TLS_MULTIPLE_THREADS_IN_TCB
|
|
return &__libc_multiple_threads;
|
|
#endif
|
|
}
|